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24
of increase of population in the ten years 1851-61 was
4 per cent, per annum, which for the twenty years
would be 80 per cent., but as both the births and deaths
are more than double, we have every reason to assume
that the population has also doubled itself in that time.
The new houses which have been built since the last
census in 1861, are also far larger in number than in
the ten years 1851-61, 3735 houses having been built
in the ten years, and no less than 4457 in the six years
from Lady-day 1861, to Lady-day 1867. If the population
has increased in a similar ratio, the death-rate
for the last three or four years is decidedly too high.
The third column shows that the average number of
births to each 100 deaths was 156, having varied
between 135 in 1847 and 1849, and 179 in 1850 and
1852. The total number of births was 47,235, and of
deaths 30,288 or an excess of births over deaths of
16,947. A comparison between the rate of death in
London at large and in Hackney, is very interesting, as
it shows that in every year, the mortality was less in
Hackney. The table also shows that the largest deathrate
in London was in the year 1849, and the next in
1847, when the influenza was so very prevalent, and
the rate the same as in 1864 and 1866. The table
for Hackney, shows a variation in these years, as the
largest death-rate was in 1847, the next in 1849, the
next in 1866, and the next in 1864. The proportion in
London varied between 203 deaths in each 10,000
inhabitants in the year 1854, and 301 in 1849, whilst
in Hackney it ranged between 178 per 10,000